Post a thread with answers to the following questions:
A student studying aquaculture is interested in how diet and water temperature affect the growth rates of fish. She hypothesizes that fish receiving a high protein diets and in warmer temperatures will have enhanced growth rates.
She has four treatment groups:
- Fish tanks in a laboratory at 22 degrees C and high protein diet.
- Fish tanks in a laboratory at 22 degrees C and low protein diet.
- Fish tanks outside with a temperature of 26 degrees C and high protein diet.
- Fish tanks outside with a temperature of 26 degrees C and low protein diet.
Is her hypothesis a true hypothesis or merely a prediction? (Has she provided rationale for her hypothesis?)
Do you think this is a good experimental design? Do you have suggestions for how she could improve her experimental design?
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